Ingredients for 8 servings

Onion soup, for 8 persons :
  • 1 kilogram (2 'large' pounds) of sweet onions
  • 2.5 COLD liters (1 'large' half of a gallon) of meat (veal or chicken) base for sauce (you can use already prepared dry cubes)
  • 400 grams (1 'small' pound) of grated gruyère cheese
  • 100 grams of butter
  • 30 grams of wheat flour
  • 32 thin slices of 'baguette' bread you have dried in the oven at 300° F during 30 minutes
  • 1/4 liter of red Port (not compulsory but highly recommanded)
table salt
  • 1 pinch of ginger powder
half a pinch of thyme flower